Molecular Formula: ZnO M.W.:81.38
Properties: White or primrose powder, stable under normal temperature, good hiding power and colouring power. Insoluble in water and alcohol, soluble in acid, alkali and ammonlium chlor ide solution.
Specification(%)
Item(%) |
First Grade |
second Grade |
Third Grade |
ZnO ,dry ≥ |
99.7 |
99.7 |
99.7 |
Zn |
NEGATIVE |
NEGATIVE |
NEGATIVE |
Pb ≤ |
0.037 |
0.06 |
0.1 |
Mn ≤ |
0.0001 |
0.0001 |
0.0001 |
CuO ≤ |
0.0002 |
0.0002 |
0.0002 |
Insoluble in hydrochloric acid ≤ |
0.006 |
0.01 |
0.01 |
Loss on lgnition ≤ |
0.2 |
0.2 |
0.2 |
Screen Residues(Through 320 mesh)≤ |
0.1 |
0.1 |
0.1 |
105 o C Volatile ≤ |
0.3 |
0.3 |
0.3 |
Uses: Accelerator activator ,pigment, and reinforcing agent in rubber, ointment, pigment and mold growth inhibitor in paints, ceramics, floor tile, glass, zinc salts(zinc stearate etc.)feed additive, semi-conductor in electronic devices, electronic ceramics, raw material to produce zinc phosphate as steel coating,.
Packing: woven bags lined with plastic bag.50kg net each. |